LaMotte HARDNESS IN WATER 1606 User Manual
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GLOSSARY OF TERMS
ACIDIC:
The degree or level of acid content below 7.0 on the pH scale.
AQUATIC:
Living or growing in a water environment.
BASIC:
An alkaline material; usually relates to the degree or level of the
base content in a substance. A basic substance is above 7.0 on the pH
scale.
CALCIUM:
A naturally occurring metal which is found in limestone,
chalk and gypsum. Calcium in water contributes to the overall hardness.
CHLORINATION:
The process of adding chlorine compounds to
disinfect the water by destroying bacteria and algae.
COMPOUND:
A pure substance composed of two or more chemical
elements.
DISINFECT/DISINFECTION:
To destroy germs; the process of
destroying germs.
HARDNESS SOAP REAGENT:
A standardized chemical solution of a
special detergent. Hardness Soap Reagent is added to a known volume of
water to determine the amount of hardness.
INDICATOR:
A chemical compound added to a test sample which causes
a color reaction, showing the presence or absence of a particular substance.
MAGNESIUM:
A naturally occurring metal. Magnesium in water
contributes to the over all hardness.
mL:
An abbreviation for milliliter; equals one thousandth of a liter. A mL
is a measurement of very small volumes of liquid.
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TABLE OF CONTENTS
What is Wa ter?.............................................................................................4
Hard ness in Wa ter........................................................................................5
Taking Wa ter Sam ples..................................................................................6
Wa ter Hard ness: Method 1 ..........................................................................7
Wa ter Hard ness: Method 2 ..........................................................................8
Notes to the Teacher....................................................................................9
Glos sary of Terms ..................................................................................10-11
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